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8.2
HIGH CVSS 3.0
CVE-2017-5992
Openpyxl XML External Entity Injection (XXE)
Description

Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.

INFO

Published Date :

Feb. 15, 2017, 7:59 p.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2017-5992 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Python openpyxl
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
Solution
The Openpyxl package is vulnerable to XML External Entity Injection (XXE) attacks.
  • Update the affected python-openpyxl package.
  • Update the affected python3-openpyxl package.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-5992.

URL Resource
http://www.openwall.com/lists/oss-security/2017/02/07/5 Mailing List Third Party Advisory
https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1 Issue Tracking Third Party Advisory
https://bitbucket.org/openpyxl/openpyxl/issues/749 Issue Tracking Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442 Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/07/5 Mailing List Third Party Advisory
https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1 Issue Tracking Third Party Advisory
https://bitbucket.org/openpyxl/openpyxl/issues/749 Issue Tracking Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442 Issue Tracking Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-5992 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-5992 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-5992 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2017-5992 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2017/02/07/5
    Added Reference https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1
    Added Reference https://bitbucket.org/openpyxl/openpyxl/issues/749
    Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 17, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:P)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H
    Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442 Third Party Advisory, Issue Tracking
    Changed Reference Type https://bitbucket.org/openpyxl/openpyxl/issues/749 No Types Assigned https://bitbucket.org/openpyxl/openpyxl/issues/749 Third Party Advisory, Issue Tracking
    Changed Reference Type http://www.openwall.com/lists/oss-security/2017/02/07/5 No Types Assigned http://www.openwall.com/lists/oss-security/2017/02/07/5 Third Party Advisory, Mailing List
    Changed Reference Type https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1 No Types Assigned https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1 Third Party Advisory, Issue Tracking
    Added CWE CWE-611
    Added CPE Configuration OR *cpe:2.3:a:python:openpyxl:2.4.1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.53 }} -0.48%

score

0.64510

percentile